Proposals for nature conservation in northern Greece : a report
1971
Hoffmann, Lukas |
Bauer, W. |
Müller, G. |
International Waterfowl Research Bureau
Project Mar : the conservation and management of temperate marshes, bogs and other wetlands. Volume 2. List of European and North African wetlands of international importance
1965
Olney, Peter J. S. (Peter James Stephen) |
Project Mar : the conservation and management of temperate marshes, bogs and other wetlands. Volume 1. Proceedings of the Mar conference
1964
Hoffmann, Lukas |
Proceedings : International Conference on the Conservation of Wetlands and Waterfowl, Ramsar, Iran, 30 January - 3 February 1971
1972
Carp, Erik |
A directory of Asian wetlands
1989
Scott, Derek A. |
Liquid assets
1965
Atkinson-Willes, G. L. |